PipeWire  0.3.66
log-impl.h
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1 /* Simple Plugin API */
2 /* SPDX-FileCopyrightText: Copyright © 2018 Wim Taymans */
3 /* SPDX-License-Identifier: MIT */
4 
5 #ifndef SPA_LOG_IMPL_H
6 #define SPA_LOG_IMPL_H
7 
8 #ifdef __cplusplus
9 extern "C" {
10 #endif
11 
12 #include <stdio.h>
13 
14 #include <spa/utils/type.h>
15 #include <spa/support/log.h>
16 
22 static inline SPA_PRINTF_FUNC(7, 0) void spa_log_impl_logtv(void *object,
23  enum spa_log_level level,
24  const struct spa_log_topic *topic,
25  const char *file,
26  int line,
27  const char *func,
28  const char *fmt,
29  va_list args)
30 {
31  static const char * const levels[] = { "-", "E", "W", "I", "D", "T" };
32 
33  const char *basename = strrchr(file, '/');
34  char text[512], location[1024];
35  char topicstr[32] = {0};
36 
37  if (basename)
38  basename += 1; /* skip '/' */
39  else
40  basename = file; /* use whole string if no '/' is found */
41 
42  if (topic && topic->topic)
43  snprintf(topicstr, sizeof(topicstr), " %s ", topic->topic);
44  vsnprintf(text, sizeof(text), fmt, args);
45  snprintf(location, sizeof(location), "[%s]%s[%s:%i %s()] %s\n",
46  levels[level],
47  topicstr,
48  basename, line, func, text);
49  fputs(location, stderr);
50 }
51 
52 static inline SPA_PRINTF_FUNC(7,8) void spa_log_impl_logt(void *object,
53  enum spa_log_level level,
54  const struct spa_log_topic *topic,
55  const char *file,
56  int line,
57  const char *func,
58  const char *fmt, ...)
59 {
60  va_list args;
61  va_start(args, fmt);
62  spa_log_impl_logtv(object, level, topic, file, line, func, fmt, args);
63  va_end(args);
64 }
65 
66 static inline SPA_PRINTF_FUNC(6, 0) void spa_log_impl_logv(void *object,
67  enum spa_log_level level,
68  const char *file,
69  int line,
70  const char *func,
71  const char *fmt,
72  va_list args)
73 {
74 
75  spa_log_impl_logtv(object, level, NULL, file, line, func, fmt, args);
76 }
77 
78 static inline SPA_PRINTF_FUNC(6,7) void spa_log_impl_log(void *object,
79  enum spa_log_level level,
80  const char *file,
81  int line,
82  const char *func,
83  const char *fmt, ...)
84 {
85  va_list args;
86  va_start(args, fmt);
87  spa_log_impl_logv(object, level, file, line, func, fmt, args);
88  va_end(args);
89 }
90 
91 static inline void spa_log_impl_topic_init(void *object, struct spa_log_topic *topic)
92 {
93  /* noop */
94 }
95 
96 #define SPA_LOG_IMPL_DEFINE(name) \
97 struct { \
98  struct spa_log log; \
99  struct spa_log_methods methods; \
100 } name
101 
102 #define SPA_LOG_IMPL_INIT(name) \
103  { { { SPA_TYPE_INTERFACE_Log, SPA_VERSION_LOG, \
104  SPA_CALLBACKS_INIT(&(name).methods, &(name)) }, \
105  SPA_LOG_LEVEL_INFO, }, \
106  { SPA_VERSION_LOG_METHODS, \
107  spa_log_impl_log, \
108  spa_log_impl_logv, \
109  spa_log_impl_logt, \
110  spa_log_impl_logtv, \
111  } }
112 
113 #define SPA_LOG_IMPL(name) \
114  SPA_LOG_IMPL_DEFINE(name) = SPA_LOG_IMPL_INIT(name)
115 
120 #ifdef __cplusplus
121 } /* extern "C" */
122 #endif
123 #endif /* SPA_LOG_IMPL_H */
spa_log_level
Definition: spa/include/spa/support/log.h:45
static void spa_log_impl_log(void *object, enum spa_log_level level, const char *file, int line, const char *func, const char *fmt,...)
Definition: log-impl.h:83
static void spa_log_impl_topic_init(void *object, struct spa_log_topic *topic)
Definition: log-impl.h:96
static void spa_log_impl_logtv(void *object, enum spa_log_level level, const struct spa_log_topic *topic, const char *file, int line, const char *func, const char *fmt, va_list args)
Definition: log-impl.h:27
static void spa_log_impl_logt(void *object, enum spa_log_level level, const struct spa_log_topic *topic, const char *file, int line, const char *func, const char *fmt,...)
Definition: log-impl.h:57
static void spa_log_impl_logv(void *object, enum spa_log_level level, const char *file, int line, const char *func, const char *fmt, va_list args)
Definition: log-impl.h:71
#define SPA_PRINTF_FUNC(fmt, arg1)
Definition: defs.h:269
spa/support/log.h
spa/utils/type.h
Identifier for a topic.
Definition: spa/include/spa/support/log.h:83